Fancy color diamondsA diamond color example green, expect for yellow, brown, and gray except post Z grade (before Z ) grade in which diamonds are considered fancy colors after the Z grade which starts from D - Z (D being white Z being light yellow).
Color Cause -
* Selective Absorption
(1). Trace Elements <Nitrogen, Boron>
(2). Structural Crystal distortion <twinning> (causes red, or brown colors)
(3). Natural Irradiation <green>
Orange-yellow- equal amount of orange and yellow
Orangish -orange dominant color
Diamond Price diamond that is treated depends on appearance after treatment goes for example 50 dollars natural AND 2,050 TREATED per carat.
Fun TIP: Fancy color stone color of stone most important. (saturation).
*Price between natural, and treated diamonds significant difference.
Yellow => Brown => Gray => Orange are common
Light blue => Green => Medium Blue => Purple/Pink =>Red (VERY RARE)
Fun TIP: Fancy look at tone and saturation and set standards between 1-4
1 Being Fancy Light
2. Fancy yellow
3. Fanbcy intense yellow
4. Fancy Vivid yellow
DIAMOND TYPES -
1)IA-color caused by nitrogen in aggregate/cluster(capedia.)\
2)IB-NITROGEN IN SUBSTITUTION "carbon atom" -.1% of whole diamond is substitute by nitrogen.
-1% of all diamonds (canary diamonds) Fancy colors.
3)IIA-colorless diamond 99.98%-carbon-
4)IIB-Diamond which contains "BORON" - Blue Diamond
-HAS ELECTRIC CONDUCTIVITY-